:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-white: #f8fafc;
    --text-muted: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.1);
    --border: rgba(255, 255, 255, 0.1);
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    font-family: var(--font-primary);
}

.logo span {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

/* Hero */
#hero {
    padding: 12rem 0 8rem;
    background: radial-gradient(circle at 90% 10%, var(--accent-glow) 0%, transparent 40%);
}

.hero-content {
    max-width: 800px;
}

h1 {
    font-family: var(--font-primary);
    font-size: clamp(3rem, 7vw, 4.5rem);
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-dark);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn-secondary {
    color: var(--text-white);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    margin-left: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
}

/* Sections */
section {
    padding: 8rem 0;
}

h2 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 4rem;
    text-align: center;
}

.section-tag {
    display: block;
    text-align: center;
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* Services / Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    padding: 3.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

.card p {
    color: var(--text-muted);
}

/* About Section */
#about {
    background: rgba(255, 255, 255, 0.02);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text h2 {
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Comparison */
#comparison {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* Pricing */
.pricing-box {
    background: white;
    color: var(--bg-dark);
    padding: 6rem;
    border-radius: 40px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.pricing-box h3 {
    font-size: 1.2rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.price {
    font-size: 5.5rem;
    font-weight: 800;
    font-family: var(--font-primary);
    margin: 1rem 0;
}

.price span {
    font-size: 1.5rem;
    opacity: 0.6;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin: 3.5rem 0;
    color: var(--text-muted);
    font-weight: 600;
}

/* Contact */
.contact-wrap {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

form {
    margin-top: 3rem;
    display: grid;
    gap: 1.5rem;
}

input, textarea {
    width: 100%;
    padding: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
}

input:focus, textarea:focus {
    outline: 2px solid var(--accent-blue);
    border-color: transparent;
}

textarea {
    height: 180px;
}

/* Footer */
footer {
    padding: 6rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .pricing-box { padding: 4rem 1.5rem; }
    .nav-links { display: none; }
}